Hat



FIG. 1 is an environmental perspective view of a hat showing my new design;

FIG. 2 is a front elevational with the rear view and the right, and left side views being mirror images thereof; and,

FIG. 3 is a bottom plan view thereof.

The broken line showing of the human figure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a hat, as shown and described. 